Messages in this thread | | | Date | Tue, 10 Dec 2019 17:18:14 -0500 | From | Daniel Jordan <> | Subject | Re: [PATCH v1 1/3] mm: fix uninitialized memmaps on a partially populated last section |
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On Tue, Dec 10, 2019 at 11:11:03AM +0100, David Hildenbrand wrote: > Some things that might be relevant from my config. > > # CONFIG_PAGE_POISONING is not set > CONFIG_DEFERRED_STRUCT_PAGE_INIT=y > CONFIG_SPARSEMEM_EXTREME=y > CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y > CONFIG_SPARSEMEM_VMEMMAP=y > CONFIG_HAVE_MEMBLOCK_NODE_MAP=y > CONFIG_MEMORY_HOTPLUG=y > CONFIG_MEMORY_HOTPLUG_SPARSE=y > CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE=y
Thanks for all that. After some poking around, turns out enabling DEBUG_VM with its page poisoning let me hit it right away, which makes me wonder how often someone would see this without it.
Anyway, fix looks good to me.
Tested-by: Daniel Jordan <daniel.m.jordan@oracle.com>
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